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Differences in dashboards

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  • Differences in dashboards

    Hi all

    My dashboard original to my car (89 m3) was cracked when i got it, so i've been on the hunt ever since for a good one. I believe i finally found that one, but recently discovered that the m3 had specific dashboards vs the regular e30. The m3 specific ones have sound deadening material lined on the underside of the dash, presumably to cut down on cabin noise from the admittedly noisy s14.

    My question is, how many of you have replaced your cracked m3 dash with a non-m3 dash, and did you notice a difference in cabin noise after you did?

    At this point im not even going to try and look to find a non-cracked e30 m3 dash, as they are essentially unobtainium at this point (as a quick anecdote, there is a cracked "reconditionable" e30 m3 dash on ebay right now for $1,000). So i am pretty comfortable with the non-m3 dash, but just wanted to hear from the experiences of others who have done this.

    thanks!

  • #2
    I wasn't aware they are different, and don't get why BMW would bother and not use the same for all.
    If you are saying the only difference is a cheap bit of sound deadening material, then it seems pretty easy to replicate, no ?
    ECS has pictures of the lined one for reference.
    https://www.ecstuning.com/b-genuine-...d/51451941532/

    This space is a sanctimonious shit free zone.

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    • #3
      Hi, Ebox86,
      I also had a cracked dash from the car being parked facing south in Sacramento for several years before I bought it. I used a 'regular' dash that came out of a non M3 E30, and didn't notice any difference, except perhaps for the price. I bought the replacement dash from Double O2 salvage in Hayward CA for $200. It's a little tricky replacing the dash so it doesn't get damaged around the panel in the center that holds the radio, OBC and heater controls. I didn't bother to do anything about any sound deadening material.
      Larry

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      • #4
        Yes, they are different and not just on the dashboard, but also on the front center console have sound deadening material on M3. As well as on the top plastic of the glove compartment and on the side plastic. Regular E30 is without sound deadening material of those parts.

        M3 Sport Evolution 1990
        M3 Late Model 1990

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        • #5
          To be clear, the small amount of foam that BMW put in there made very close to zero difference. You’d be better off throwing in a little bit of dynamat and some modern foam if you want to achieve noise reduction.

          Or leave it out if you want to listen to the engine. It’s not like these things are long trip highway daily drivers.
          2006 GMC Sierra 2500HD 4WD LBZ/Allison
          2002 BMW M3 Alpinweiß/Black -
          AST 4100 500/500, Fikse Profil 13
          1999 323i GTS2 Alpinweiß
          1990 325is Brilliantrot/Tan
          - GC
          1989 325is Alpinweiß/Black - S50B30,GC/Koni, BBS RX, Peerless Skid, Sway
          1989 M3 Alpinweiß/Black - Basket Case

          Hers: 1996 Porsche 911 Turbo Black/Black
          Hers: 1988 325iX Coupe Diamantschwartz/Black 5spd
          272 cam, Korman driveshaft, R888s, H&R/Bilstein

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